我在我的Xcode上遇到了问题，很多次我构建或存档项目，我收到此错误：
进程：Xcode [2376]路径：/Applications/Xcode.app/Contents/MacOS/Xcode标识符：com.apple.dt.Xcode版本：9.2（13772）构建信息：IDEFrameworks-13772000000000000~2应用项目ID：497799835 App外部ID：825038102代码类型：X86-64（Native）父进程：??? [1]负责人：Xcode [2376]用户名：501日期/时间：2018-02-19 13：01：31.507 0100操作系统版本：Mac OS X 10.13.2（17C88）报告版本：12匿名UUID：86191C10-4328 -FD41-CE74-B094E22BEFE9引导后唤醒时间：510秒系统完整性保护：已启用崩溃线程：45调度队列：ConcurrentQueue： - [XCWorkQueueCommandBuiltinInvocation startRunning] _block_invoke异常类型：EXC_CRASH（SIGABRT）异常代码：0x0000000000000000,0x0000000000000000异常注意：EXC_CORPSE_NOTIFY特定于应用程序的信息：ProductBuildVersion：9C40b断言失败：（sizeBack == listSize），函数_has_code_signature_extended_attribute，file /Library/Caches/com.apple.xbs/Sources/IDEXcode3ProjectSupport/IDEXcode3ProjectSupport-13756/Xcode3Core/LegacyProjects/Frameworks/DevToolsCore/BuildTaskPlugIns/ CoreBuildTasks / Translators / PBXCp / PBXCp.mm，第453行.Thread 0 :: Dispatch queue：com.apple.main-thread 0 libsystem_kernel.dylib 0x00007fff57ec07c2 mach_msg_trap 10 1 libsystem _kernel.dylib 0x00007fff57ebfcdc mach_msg 60 2 com.apple.CoreFoundation 0x00007fff30488a15 __CFRunLoopServiceMachPort 341 3 com.apple.CoreFoundation 0x00007fff30487d67 __CFRunLoopRun 1783 4 com.apple.CoreFoundation 0x00007fff304873d7 CFRunLoopRunSpecific 487 5 com.apple.HIToolbox 0x00007fff2f794e26 RunCurrentEventLoopInMode 286 6 com.apple.HIToolbox 0x00007fff2f794b96 ReceiveNextEventCommon 613 7 com.apple.HIToolbox 0x00007fff2f794914 _BlockUntilNextEventMatchingListInModeWithFilter 64 8 com.apple.AppKit 0x00007fff2da5ff5f _DPSNextEvent 2085 9 com.apple.AppKit 0x00007fff2e1f5b4c - [NSApplication（NSEvent）_nextEventMatchingEventMask：untilDate：inMode：dequeue：] 3044 10 com.apple.dt.DVTKit 0x000000010f84ff9a - [DVTApplication nextEventMatchingMask：untilDate：inMode：dequeue：] 390 11 com.apple.AppKit 0x00007fff2da54d6d - [NSApplication run] 764 12 com.apple.AppKit 0x00007fff2da23f1a NSApplicationMain 804 13 libdyld.dylib 0x00007fff57d7a115 start 1 Thread 1 :: Dispatch qu eue：shared-compile-command-queue（QOS：UNSPECIFIED）0 libsystem_kernel.dylib 0x00007fff57ecb41a read 10 1 com.apple.Xcode.DevToolsCore 0x0000000122e9a7aa - [XCWorkQueueCommandLocalSubprocessInvocation handleOutputFileDescriptorActivity] 86 2 com.apple.Xcode.DevToolsCore 0x0000000122f094f3 - [Xcode3BuildTask main] 1042 3 com.apple.Foundation 0x00007fff3259b53e - [__ NSOperationInternal _start：] 778 4 libdispatch.dylib 0x00007fff57d40d50 _dispatch_client_callout 8 5 libdispatch.dylib 0x00007fff57d53333 _dispatch_block_invoke_direct 317 6 libdispatch.dylib 0x00007fff57d40d50 _dispatch_client_callout 8 7 libdispatch.dylib 0x00007fff57d53333 _dispatch_block_invoke_direct 317 8 libdispatch.dylib 0x00007fff57d531d6 dispatch_block_perform 109 9 com.apple.Foundation 0x00007fff3259754c __NSOQSchedule_f 342 10 libdispatch.dylib 0x00007fff57d40d50 _dispatch_client_callout 8 11 libdispatch.dylib 0x00007fff57d53e76 _dispatch_continuation_pop 472 12 libdispatch.dylib 0x00007fff57 d4b6cb _dispatch_async_redirect_invoke 703 13 libdispatch.dylib 0x00007fff57d42941 _dispatch_root_queue_drain 515 14 libdispatch.dylib 0x00007fff57d426ed _dispatch_worker_thread3 101 15 libsystem_pthread.dylib 0x00007fff580051ca _pthread_wqthread 1387 16 libsystem_pthread.dylib 0x00007fff58004c4d start_wqthread 13线程2 ::调度队列： - [IDEExecutionEnvironment initWithWorkspaceArena：]（QOS：未指定）0 libsystem_kernel.dylib 0x00007fff57ec9cee __psynch_cvwait 10 1 libsystem_pthread.dylib 0x00007fff58006662 _pthread_cond_wait 732 2 com.apple.Foundation 0x00007fff3264acf8 - [__ NSOperationInternal _waitUntilFinished：] 896 3 com.apple.Foundation 0x00007fff3261b765 - [NSOperationQueue waitUntilAllOperationsAreFinished] 296 4 com.apple.dt.DVTFoundation 0x000000010f12a9c4 - [DVTOperationGroup main] 66 5 com.apple.Foundation 0x00007fff3259b53e - [__ NSOperationInternal _start：] 778 6 com.apple.dt.DVTFoundation 0x000000010f12a977 - [DVTOperationGroup start] 110 7 com . apple.Foundation 0x00007fff32597567 __NSOQSchedule_f 3698 libdispatch.dylib 0x00007fff57d40d50 _dispatch_client_callout 8 9 libdispatch.dylib 0x00007fff57d53e76 _dispatch_continuation_pop 472 10 libdispatch.dylib 0x00007fff57d4b6cb _dispatch_async_redirect_invoke 703 11 libdispatch.dylib 0x00007fff57d42941 _dispatch_root_queue_drain 515 12 libdispatch.dylib 0x00007fff57d426ed _dispatch_worker_thread3 101 13 libsystem_pthread.dylib 0x00007fff580051ca _pthread_wqthread 1387 14 libsystem_pthread.dylib 0x00007fff58004c4d start_wqthread 13 . ..
还有好几次，建成是成功的...有人说明这个问题吗？